Water flow distribution device and dish washing machine

By using a water-dividing cap and water-dividing plate design, the internal water system of the dishwasher is simplified, solving the problem of large space occupation in existing technologies, and realizing the miniaturization and cost savings of the dishwasher.

CN223914101UActive Publication Date: 2026-02-17ZHEJIANG ANRUI KITCHEN APPLIANCES CO LTD
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Patent Information

Application Number
CN202520472032.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-18
Publication Date
2026-02-17
Estimated Expiration
2035-03-18

AI Technical Summary

Technical Problem

Existing dishwasher water distribution devices require multiple interfaces and independent water inlet pipes at the bottom of the inner tub, resulting in a large internal space occupation and affecting the miniaturization and cost of dishwashers.

Method used

The design incorporates a water-distribution cap and a water-distribution plate. Water flow distribution is controlled by the through holes on the water-distribution cap and the rotation of the water-distribution plate, simplifying the internal water system of the dishwasher and reducing the number of pipes.

Benefits of technology

This achieves space savings inside the dishwasher, reduces manufacturing and transportation costs, simplifies the piping structure, and improves the miniaturization of the dishwasher.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of dish washing machines, in particular to a water flow distribution device and a dish washing machine. The water diversion sealing cover is arranged at the water outlet end of the water diversion cavity, and at least two through holes for water to pass through are formed in the water diversion sealing cover; the water diversion piece is rotationally arranged at the water outlet end of the water diversion cavity and used for blocking part of the through holes or all the through holes in the water diversion sealing cover; according to the spraying device, the water distribution sealing cover and the water distribution piece are arranged, the water distribution sealing cover is provided with at least two through holes for water to pass through, water in the through holes is conveyed to all the spraying arms, the water distribution piece rotates to block part of the through holes or all the through holes in the water distribution sealing cover, and therefore the water passing condition of all the spraying arms is controlled.
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Description

TECHNICAL FIELD

[0001] The present disclosure relates to the technical field of dishwashers, in particular to a water flow distribution device and a dishwasher. BACKGROUND

[0002] Nowadays, dishwashers are increasingly popular. In addition to the basic dishwashing function, dishwashers also have functions such as sterilization and disinfection, fruit and vegetable cleaning, pot washing, and even cleaning of baby products, range hood filter screens, and baking tools, thereby meeting the diversified needs of consumers in the kitchen.

[0003] The water flow distribution device of the dishwasher is used to distribute the water flow pumped by the water pump to different spray arms or water paths to achieve various water outlet combinations and meet different cleaning needs, such as supplying water to the upper spray arm, the lower spray arm, or multiple spray arms at the same time to improve the cleaning effect. The water flow distribution device in the prior art sometimes needs to be provided with multiple interfaces at the corresponding positions of the inner container bottom and correspondingly provided with multiple independent water inlet pipes, which will result in excessive water paths inside the dishwasher base and occupy a large internal space. CONTENT OF THE UTILITY MODEL

[0004] In view of the deficiencies or problems in the prior art, the present disclosure provides a water flow distribution device and a dishwasher, which can simplify the water path system inside the dishwasher and thus release the internal space of the dishwasher.

[0005] The technical solution adopted by the present disclosure to solve the above technical problems is as follows: a water flow distribution device, comprising:

[0006] a water distribution cavity provided with a water inlet end and a water outlet end;

[0007] a water distribution cover provided at the water outlet end of the water distribution cavity, wherein the water distribution cover is provided with at least two through holes for water to pass through;

[0008] a water distribution piece rotatably arranged at the water outlet end of the water distribution cavity and used to block part or all of the through holes on the water distribution cover.

[0009] As a preferred embodiment, the through holes are three, namely a first through hole, a second through hole, and a third through hole, the first through hole is used to connect the middle spray arm and / or the top spray arm of the dishwasher, the second through hole is used to connect the bottom spray arm of the dishwasher, and the third through hole is used to connect the auxiliary spray arm of the dishwasher.

[0010] As a preferred embodiment, the water distribution cover is provided with a first flow passage, and the third through hole is arranged in the first flow passage.

[0011] As a preferred embodiment, the water distribution device further comprises a connecting head, the water distribution cover is connected to the inner water pipe and the bottom spray arm through the connecting head, the connecting head is provided with a fourth through hole corresponding to the first through hole and a fifth through hole corresponding to the second through hole, and the connecting head is further provided with a second flow channel corresponding to the first flow channel, the second flow channel is provided with a sixth through hole and a seventh through hole, and the sixth through hole corresponds to the third through hole.

[0012] In some embodiments, the first flow channel is provided with a first stop block or a second stop block corresponding to the profile of the first flow channel, the first stop block is provided with a tenth through hole corresponding in size and position to the third through hole, and the second stop block is used to block the third through hole.

[0013] As a preferred embodiment, the bottom of the water distribution cavity is an arc-shaped slope, and the water distribution cavity is further provided with a connecting end, the connecting end is provided with a motor used to drive the water distribution piece to rotate.

[0014] As a preferred embodiment, the water distribution piece is provided with a pin shaft, and the driving shaft of the motor is connected to the pin shaft.

[0015] Another object of the present application is to provide a dishwasher comprising:

[0016] The water distribution device described above;

[0017] A water cup assembly connected to the water inlet end of the water distribution cavity;

[0018] An inner water pipe comprising a first channel and a second channel;

[0019] The water inlet end of the first channel is connected to the fourth through hole, the water outlet end of the first channel is used to connect a middle spray arm and / or a top spray arm, the water inlet end of the second channel is connected to the sixth through hole, and the water outlet end of the second channel is used to connect an auxiliary spray arm.

[0020] A bottom spray arm connected to the fifth through hole.

[0021] As a preferred embodiment, the water distribution device further comprises an inner container, the water cup assembly is arranged at the bottom of the inner container, the bottom spray arm and the inner water pipe are arranged in the inner container, the first channel is provided with a first water outlet end and a second water outlet end, the first water outlet end is connected to a top spray arm, and the second water outlet end is connected to a middle spray arm.

[0022] As a preferred embodiment, the second channel comprises a left channel and a right channel, the left channel and the right channel are respectively provided with a first water inlet end and a second water inlet end, the first water inlet end is connected to the sixth through hole through a second connecting channel, the second water inlet end is connected to the seventh through hole through the second connecting channel, the left channel and the right channel are respectively provided with a third water outlet end and a fourth water outlet end, the third water outlet end is connected to a first auxiliary spray arm, and the fourth water outlet end is connected to a second auxiliary spray arm.

[0023] As a preferred embodiment, the first connecting pipe and the second connecting pipe are arranged at the bottom of the inner container, one end of the first connecting pipe is connected with the third water outlet, and the other end is connected with the first auxiliary spray arm; one end of the second connecting pipe is connected with the fourth water outlet, and the other end is connected with the second auxiliary spray arm.

[0024] Compared with the prior art, the water distribution device is provided with a water distribution cover and a water distribution piece, at least two through holes for water passing through are arranged on the water distribution cover, and water in the through holes is transported to each spray arm. The water distribution piece can block part or all of the through holes on the water distribution cover by rotating, so as to control the water passing condition of each spray arm. That is, whether each spray arm in the dishwasher passes water can be realized through the cooperation of the water distribution piece and the water distribution cover. In this way, more pipelines need not be added in the base of the dishwasher to connect each spray arm to transport water to each spray arm. The water flow distribution device can effectively simplify the number of pipelines in the base of the dishwasher, which saves more internal space, makes the dishwasher more miniaturized, saves cost, and is more convenient for transportation. BRIEF DESCRIPTION OF DRAWINGS

[0025] The application will be described in further detail below in conjunction with the drawings and preferred embodiments, but those skilled in the art will appreciate that the drawings are only drawn for the purpose of explaining the preferred embodiments and therefore should not be regarded as limiting the scope of the application. In addition, unless specifically indicated, the drawings only schematically show the composition or structure of the described objects and can include exaggerated displays, and the drawings are not necessarily drawn to scale.

[0026] Figure 1 is one of the structure schematic diagrams of the water flow distribution device of the present disclosure;

[0027] Figure 2 is another structure schematic diagram of the water flow distribution device of the present disclosure;

[0028] Figure 3 is a third structure schematic diagram of the water flow distribution device of the present disclosure;

[0029] Figure 4 is one of the structure schematic diagrams of the water distribution cover of the present disclosure;

[0030] Figure 5 is another structure schematic diagram of the water distribution cover of the present disclosure;

[0031] Figure 6 is an exploded view of the connection of the connector, the water distribution cover and the water distribution piece of the present disclosure;

[0032] Figure 7 is a structure schematic diagram of the connector of the present disclosure;

[0033] Figure 8 This is a cross-sectional view of the connection between the connector and the internal water pipe disclosed herein;

[0034] Figure 9 This is a schematic diagram of the connection between the internal water pipe and the water flow distribution device disclosed herein;

[0035] Figure 10 This is a schematic diagram of the structure of the dishwasher disclosed herein.

[0036] Explanation of reference numerals in the attached figures:

[0037] 1. Water distribution chamber; 2. Water distribution seal; 3. Water distribution plate; 4. First through hole; 5. Second through hole; 6. Third through hole; 7. First flow channel; 8. Connector; 9. Second flow channel; 10. Fourth through hole; 11. Fifth through hole; 12. Sixth through hole; 13. Seventh through hole; 14. Housing; 15. Water cup assembly; 16. Motor; 17. First connecting channel; 18. Second connecting channel; 19. First channel; 20. Left channel; 21. Right channel; 22. Inner water pipe; 23. First connecting pipe; 24. Second connecting pipe; 25. Circular hole; 26. Arc-shaped hole; 27. First auxiliary spray arm; 28. Second auxiliary spray arm; 29. ​​Bottom spray arm; 30. Middle spray arm; 31. Inner tank. Detailed Implementation

[0038] To enable those skilled in the art to better understand the technical solutions of this disclosure, the following detailed, clear, and complete description of this disclosure is provided in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of this disclosure and are not intended to limit it.

[0039] Those skilled in the art should understand that in the disclosure of this utility model, the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, the above terms should not be construed as a limitation of this utility model.

[0040] Please refer to Figure 1 , Figure 2 and Figure 6As shown, this disclosure provides a water distribution device, including: a water distribution chamber 1, which is provided with an inlet end and an outlet end; a water distribution cover 2, which is provided at the outlet end of the water distribution chamber 1, and the water distribution cover 2 is provided with at least two through holes for water supply; and a water distribution plate 3, which is rotatably disposed at the outlet end of the water distribution chamber 1 and located below the water distribution cover 2, for blocking part or all of the through holes on the water distribution cover 2. Because it is equipped with a water-dividing cover 2 and a water-dividing plate 3, the water-dividing cover 2 has at least two through holes for water supply, and the water in the through holes is eventually delivered to each spray arm. The rotation of the water-dividing plate 3 can block some or all of the through holes on the water-dividing cover 2, thereby controlling the water flow of each spray arm. That is, the water-dividing plate 3 and the water-dividing cover 2 can control whether each spray arm in the dishwasher is supplied with water. In this way, there is no need to add more pipes in the base of the dishwasher to connect each spray arm and supply water to each spray arm. Using the water flow distribution device of this application can effectively reduce the number of pipes in the base of the dishwasher, which saves a lot of internal space. The dishwasher can be made more compact, which not only saves manufacturing costs and labor costs for pipe maintenance, but also makes it more convenient to transport.

[0041] Please refer to the following for details. Figure 4 and Figure 5 As shown, there are three through holes: a first through hole 4, a second through hole 5, and a third through hole 6. The first through hole 4 is used to connect the middle spray arm 30 and / or the top spray arm of the dishwasher; the second through hole 5 is used to connect the bottom spray arm 29 of the dishwasher; and the third through hole 6 is used to connect the auxiliary spray arm of the dishwasher. Preferably, the water seal cover 2 is provided with a first flow channel 7, which is formed by a protrusion on the water seal cover 2, and the third through hole 6 is located in the first flow channel 7.

[0042] Please refer to Figures 2-8 As shown, in one embodiment of this disclosure, a connector 8 is further provided. The water distribution cover 2 is connected to the inner water pipe 22 and the bottom spray arm 29 through the connector 8. Specifically, the connector 8 is provided with a fourth through hole 10 corresponding to the first through hole 4 and a fifth through hole 11 corresponding to the second through hole 5. The connector 8 is also provided with a second flow channel 9 corresponding to the first flow channel 7. The second flow channel 9 is provided with a sixth through hole 12 and a seventh through hole 13. The sixth through hole 12 corresponds to the third through hole 6. Part of the water in the third through hole 6 flows to the sixth through hole 12, and the other part flows to the first flow channel 7, and then flows to the seventh through hole 13.

[0043] In some embodiments, a first or second stop block adapted to the contour of the first flow channel 7 is provided. The first stop block has a tenth through hole, the size and position of which correspond to the third through hole 6. It is understood that because the contours of the first and second stop blocks are adapted to the first flow channel 7, they can be effectively fixed in the first flow channel 7, preventing them from shifting under the impact of water. The first stop block prevents water from the third through hole 6 from entering the first flow channel 7, instead directing it directly to the sixth through hole 12. The second stop block does not have a through hole; it blocks the first flow channel 7 and the third through hole 6 therein, preventing water from the water distribution chamber 1 from entering the third through hole 6. Users can choose whether to install the first and second stop blocks as needed to accommodate more types of dishwashers.

[0044] like Figure 1 As shown, the bottom of the water distribution chamber 1 is an arc-shaped slope, giving it a spiral structure. This design effectively shortens the water path, simplifies the structure, and reduces pressure loss. The water distribution chamber 1 also has a connecting end, which houses a motor 16 for driving the water distribution plate 3. Specifically, a pin is mounted on the water distribution plate 3, and the drive shaft of the motor 16 is connected to the pin.

[0045] like Figure 9 and Figure 10 As shown, another embodiment of this application provides a dishwasher, including a water cup assembly 15, an inner water pipe 22, and a water flow distribution device as described in the above embodiment. The water cup assembly 15 is connected to the water inlet end of the water distribution chamber 1. The inner water pipe 22 includes a first channel 19 and a second channel. The water inlet end of the first channel 19 is connected to a fourth through hole 10, and the water outlet end of the first channel 19 is used to connect to the middle spray arm 30 and / or the top spray arm. The water inlet end of the second channel is connected to a sixth through hole 12, and the water outlet end of the second channel is used to connect to an auxiliary spray arm. It also includes a bottom spray arm 29 and an inner tank 31, with the bottom spray arm 29 connected to a fifth through hole 11. The water cup assembly 15 is disposed at the bottom of the inner tank 31, and the bottom spray arm 29 and the inner water pipe 22 are disposed in the inner tank 31. The first channel 19 is provided with a first water outlet end and a second water outlet end. The first water outlet end is connected to the top spray arm, and the second water outlet end is connected to the middle spray arm 30. Integrating the first channel 19 and the second channel into the inner water pipe 22 simplifies the number of pipes and saves space occupied by the pipes.

[0046] Please refer to the following: Figure 7 and Figure 8As shown, the connector 8 is further located at the bottom of the inner liner 31, and the water seal cover 2 is connected to the inner water pipe 22 and the bottom spray arm 29 through the connector 8. The connector 8 is provided with a housing 14, and the housing 14 is provided with a first connecting channel 17. Two second connecting channels 18 are provided on both sides of the first connecting channel 17. The first connecting channel 17 communicates with the fourth through hole 10 (communicating with the first channel 19), one of the second connecting channels 18 communicates with the sixth through hole 12, and the other second connecting channel 18 communicates with the seventh through hole 13. The second channel includes a left channel 20 and a right channel 21. The left channel 20 and the right channel 21 are respectively provided with a first water inlet and a second water inlet. The first water inlet is connected to the sixth through hole 12 through the second connecting channel 18, and the second water inlet is connected to the seventh through hole 13 through the second connecting channel 18. That is, the first water inlet of the left channel 20 and the second water inlet of the right channel 21 are respectively connected to the two second connecting channels 18. The left channel 20 and the right channel 21 are respectively provided with a third water outlet and a fourth water outlet. The third water outlet is connected to the first auxiliary spray arm 27, and the fourth water outlet is connected to the second auxiliary spray arm 28.

[0047] Understandably, if the first and second baffles are not installed in the first flow channel 7, then after the water in the water distribution chamber 1 enters the third through hole 6, part of it enters the sixth through hole 12 and flows to the left channel 20, eventually flowing to the first auxiliary spray arm 27; the other part enters the first flow channel 7 and then flows sequentially to the seventh through hole 13 and the right channel 21, finally flowing to the second auxiliary spray arm 28. In this case, both the first auxiliary spray arm 27 and the second auxiliary spray arm 28 can spray water.

[0048] If a first baffle is installed in the first flow channel 7, the water from the water distribution chamber 1, after entering the third through hole 6, can only flow to the sixth through hole 12 and cannot flow to the first flow channel 7. In this case, only the first auxiliary spray arm 27 can work normally. If a second baffle is installed in the first flow channel 7, the second baffle blocks the third through hole 6, and the water from the water distribution chamber 1 cannot pass through the third through hole 6. In this case, neither the first auxiliary spray arm 27 nor the second auxiliary spray arm 28 can work normally. The operation of the first auxiliary spray arm 27 and the second auxiliary spray arm 28 can be adjusted by selectively installing either the first or second baffle in the first flow channel 7, eliminating the need for a complex piping system and simplifying the dishwasher's piping structure.

[0049] It also includes a first connecting pipe 23 and a second connecting pipe 24 located at the bottom of the inner tank 31. One end of the first connecting pipe 23 is connected to the third water outlet and the other end is connected to the first auxiliary spray arm 27; one end of the second connecting pipe 24 is connected to the fourth water outlet and the other end is connected to the second auxiliary spray arm 28.

[0050] The water-dividing plate 3 in this application is disc-shaped, with an arc-shaped hole 26 and a circular hole 25 on it. Driven by the motor 16, the water-dividing plate 3 rotates. When rotating, it can cover one or more of the first through hole 4, the second through hole 5, and the third through hole 6, preventing water from entering the water-dividing chamber 1. This allows control over the working status of the bottom spray arm 29, the top spray arm and / or the middle spray arm 30, and the auxiliary spray arm. Through the cooperation of the water-dividing plate 3, the water-dividing seal 2, the first stop block, and the second stop block, this application can achieve multiple working modes without adding connecting pipes.

[0051] The present application has been described in detail above. Specific examples have been used to illustrate the principles and implementation methods of the present application. The descriptions of the embodiments above are only for the purpose of helping to understand the present application and its core ideas. It should be noted that those skilled in the art can make several improvements and modifications to the present application without departing from the principles of the present application, and these improvements and modifications also fall within the protection scope of the claims of the present application.

Claims

1. A water flow distribution device, characterized in that, include: The water distribution chamber (1) is provided with an inlet and an outlet. A water distribution cover (2) is provided at the water outlet end of the water distribution chamber (1), and the water distribution cover (2) is provided with at least two through holes for water supply. The water divider (3) is rotatably installed at the water outlet of the water divider chamber (1) and is used to block part or all of the through holes on the water divider cover (2).

2. The water flow distribution device according to claim 1, characterized in that, There are three through holes, namely a first through hole (4), a second through hole (5) and a third through hole (6). The first through hole (4) is used to connect the middle spray arm (30) and / or the top spray arm of the dishwasher. The second through hole (5) is used to connect the bottom spray arm (29) of the dishwasher. The third through hole (6) is used to connect the auxiliary spray arm of the dishwasher.

3. The water flow distribution device according to claim 2, characterized in that, The water distribution seal (2) is provided with a first flow channel (7), and the third through hole (6) is provided in the first flow channel (7).

4. The water flow distribution device according to claim 3, characterized in that, It also includes a connector (8), the water distribution cover (2) is connected to the inner water pipe (22) and the bottom spray arm (29) through the connector (8), the connector (8) is provided with a fourth through hole (10) corresponding to the first through hole (4) and a fifth through hole (11) corresponding to the second through hole (5), the connector (8) is also provided with a second flow channel (9) corresponding to the first flow channel (7), the second flow channel (9) is provided with a sixth through hole (12) and a seventh through hole (13), the sixth through hole (12) corresponds to the third through hole (6).

5. The water flow distribution device according to claim 3, characterized in that, The first flow channel (7) is provided with a first block or a second block that is adapted to its contour. The first block is provided with a tenth through hole. The size and position of the tenth through hole correspond to the third through hole (6). The second block is used to block the third through hole (6).

6. The water flow distribution device according to claim 1, characterized in that, The bottom of the water distribution cavity (1) is an arc-shaped slope. The water distribution cavity (1) is also provided with a connecting end, which is provided with a motor (16) for driving the water distribution plate (3) to rotate.

7. A dishwasher, characterized in that, include: The water distribution device according to any one of claims 1 to 6; The water cup assembly (15) is connected to the water inlet end of the water distribution chamber (1); The internal water pipe (22) includes a first channel (19) and a second channel; The water inlet of the first channel (19) is connected to the fourth through hole (10), the water outlet of the first channel (19) is used to connect the middle spray arm (30) and / or the top spray arm, the water inlet of the second channel is connected to the sixth through hole (12), and the water outlet of the second channel is used to connect the auxiliary spray arm. The bottom spray arm (29) is connected to the fifth through hole (11).

8. The dishwasher according to claim 7, characterized in that, It also includes an inner liner (31), a water cup assembly (15) located at the bottom of the inner liner (31), the bottom spray arm (29) and the inner water pipe (22) located in the inner liner (31), the first channel (19) is provided with a first water outlet and a second water outlet, the first water outlet is connected to a top spray arm, and the second water outlet is connected to a middle spray arm (30).

9. The dishwasher according to claim 8, characterized in that, The second channel includes a left channel (20) and a right channel (21). The left channel (20) and the right channel (21) are respectively provided with a first water inlet and a second water inlet. The first water inlet is connected to the sixth through hole (12) through the second connecting channel (18), and the second water inlet is connected to the seventh through hole (13) through the second connecting channel (18).

10. The dishwasher according to claim 9, characterized in that, The left channel (20) and the right channel (21) are respectively provided with a third water outlet and a fourth water outlet. The third water outlet is connected to a first auxiliary spray arm (27), and the fourth water outlet is connected to a second auxiliary spray arm (28).